Age 15 premature ejaculation ?

hey uhm well lemme just get to the point me and my girl were about to have sex and this was going to be my first time and u had cummed before i had evem went inside of her. i hated it soo much ijus couldnt stand it. ithink ihave premature ejaculation because i have been masturbating since 7th grade am now a sophmore idk wah to do icnt go to doctor bout it, because moms always with me and i tried the condoms wit benzocaine they make me soft. and icould never tell if im doing kegel exscercise right any suggestions or is this normal? for begginers